Method for manufacturing nano-hydroxyapatite/poly(lactic acid) hybrid nano-composite membrane mat, nano-hydroxyapatite/poly(lactic acid) hybrid nano-composite membrane mat manufactured thereby, and air-jet spinning apparatus therefor

Abstract

Provided is a preparing method of a nano hydroxyapatite/poly(lactic acid) hybrid nanocomposite membrane mat including: mixing a hydroxyapatite powder with poly(lactic acid) in a solvent; and preparing a hydroxyapatite/poly(lactic acid) composite mat on a substrate by nozzle-injecting the mixture obtained in the mixing by an air-jet spinning method.

1 . A preparing method of a nano hydroxyapatite/poly(lactic acid) hybrid nanocomposite membrane mat, comprising:
 mixing a hydroxyapatite powder with poly(lactic acid) in a solvent; and   preparing a hydroxyapatite/poly(lactic acid) composite mat on a substrate by nozzle-injecting the mixture obtained in the mixing by an air-jet spinning method.   
     
     
         2 . The method of  claim 1 , wherein the solvent has a boiling point of 40° C. or less. 
     
     
         3 . The method of  claim 1 , wherein a distance between the substrate and the nozzle in which the nozzle-injection is performed is 50 to 60 cm. 
     
     
         4 . The method of  claim 2 , wherein the solvent is dichloromethane. 
     
     
         5 . The method of  claim 1 , wherein the preparing of the composite mat is performed at relative humidity of 60%. 
     
     
         6 . An air-jet spinning apparatus for the preparing method of the nano hydroxyapatite/poly(lactic acid) hybrid nanocomposite membrane mat of  claim 1 . 
     
     
         7 . The apparatus of  claim 6 , wherein a distance between a nozzle of the air-jet apparatus and the hybrid nanocomposite membrane mat is 50 to 60 cm. 
     
     
         8 . A nano hydroxyapatite/poly(lactic acid) hybrid nanocomposite membrane mat prepared by the preparing method of the nano hydroxyapatite/poly(lactic acid) hybrid nanocomposite membrane mat of  claim 1 . 
     
     
         9 . The mat of  claim 8 , wherein the nano hydroxyapatite/poly(lactic acid) hybrid nanocomposite membrane mat has a structure in which hydroxyapatite nanoparticles are bonded on the surface of the poly(lactic acid) fiber. 
     
     
         10 . The mat of  claim 9 , wherein hydrophilicity of the nanocomposite membrane mat is increased by bonding the hydroxyapatite nanoparticles.